Easy Apple Cabbage Slaw

Name: Easy Apple Cabbage Slaw
Prep time: 10 min
Cook time: 5 min
Total time: 15 min
Cuisine: American
Ingredients: 1 small head cabbage, cored and finely chopped; 1 Granny Smith apple, cut into matchstick-size pieces; 5 green onions, thinly sliced; 0.5 cup apple cider vinegar; 0.5 cup white sugar; 3 tablespoons olive oil; 3 tablespoons vegetable oil; 1 tablespoon Dijon mustard; 0.25 teaspoon red pepper flakes